stereoscopic

yes that´s the right way! But i love it more, when the thing lay on a ground in any corner and the sun shine down on it. and then take a gradient instead of a color in the diffuse-layer.
and set the specular-options very HIGH and the specualr-width very SMALL - then you will have more shiny edges....
AND to get the roundness out of that thing, select again any borders of the thing with the LOOP-SELECTION-TOOL and inner extrude it again. but just a LILILILIL-bit! you wanna be wondered...